OSX Packaging extra copies

Description

Each of the application bundles built by osx-packager.pl (.24-fixes, R27334, 32 bit) are about 85 MB bigger than they need to be. Each of the Frameworks includes 2 copies of the compiled code. For example, the MythFrontend.app/Contents/Frameworks/mythtv.framework/ folder includes the 11.4 MB binary and then another copy is in MythFrontend.app/Contents/Frameworks/ mythtv.framwork/Versions/A/. I believe normally that there should be a _link_ from the top level folder to the binary in ../Versions/A/.

For the 6 application bundles I built (Myth[AVTest | Backend | Filldatabase | Frontend | TV-Setup | Welcome]), that is over 500 MB of wasted space. My old .21-fixes applications did not exhibit this problem.

(In [27409]) Prevent rebase tool from duplicating the libraries that it rebases,
by getting it to process only the real libs, not symlinks to them.
Thanks to Craig Treleaven for discovering/troubleshooting. Closes #9291